c6fd718808
Update PCMCIA driver changes for patches merged in 2.6.13 Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
59 lines
2.4 KiB
Plaintext
59 lines
2.4 KiB
Plaintext
This file details changes in 2.6 which affect PCMCIA card driver authors:
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* event handler initialization in struct pcmcia_driver (as of 2.6.13)
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The event handler is notified of all events, and must be initialized
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as the event() callback in the driver's struct pcmcia_driver.
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* pcmcia/version.h should not be used (as of 2.6.13)
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This file will be removed eventually.
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* in-kernel device<->driver matching (as of 2.6.13)
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PCMCIA devices and their correct drivers can now be matched in
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kernelspace. See 'devicetable.txt' for details.
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* Device model integration (as of 2.6.11)
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A struct pcmcia_device is registered with the device model core,
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and can be used (e.g. for SET_NETDEV_DEV) by using
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handle_to_dev(client_handle_t * handle).
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* Convert internal I/O port addresses to unsigned long (as of 2.6.11)
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ioaddr_t should be replaced by kio_addr_t in PCMCIA card drivers.
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* irq_mask and irq_list parameters (as of 2.6.11)
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The irq_mask and irq_list parameters should no longer be used in
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PCMCIA card drivers. Instead, it is the job of the PCMCIA core to
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determine which IRQ should be used. Therefore, link->irq.IRQInfo2
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is ignored.
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* client->PendingEvents is gone (as of 2.6.11)
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client->PendingEvents is no longer available.
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* client->Attributes are gone (as of 2.6.11)
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client->Attributes is unused, therefore it is removed from all
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PCMCIA card drivers
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* core functions no longer available (as of 2.6.11)
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The following functions have been removed from the kernel source
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because they are unused by all in-kernel drivers, and no external
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driver was reported to rely on them:
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pcmcia_get_first_region()
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pcmcia_get_next_region()
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pcmcia_modify_window()
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pcmcia_set_event_mask()
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pcmcia_get_first_window()
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pcmcia_get_next_window()
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* device list iteration upon module removal (as of 2.6.10)
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It is no longer necessary to iterate on the driver's internal
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client list and call the ->detach() function upon module removal.
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* Resource management. (as of 2.6.8)
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Although the PCMCIA subsystem will allocate resources for cards,
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it no longer marks these resources busy. This means that driver
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authors are now responsible for claiming your resources as per
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other drivers in Linux. You should use request_region() to mark
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your IO regions in-use, and request_mem_region() to mark your
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memory regions in-use. The name argument should be a pointer to
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your driver name. Eg, for pcnet_cs, name should point to the
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string "pcnet_cs".
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